/*
 * Copyright (c) 2019 The StreamX Project
 * <p>
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.streamxhub.streamx.plugin.profiling.transformer;

import com.streamxhub.streamx.plugin.profiling.profiler.MethodArgumentCollector;
import com.streamxhub.streamx.plugin.profiling.profiler.MethodDurationCollector;

/** @author benjobs */
public class MethodProfilerStaticProxy {
  private static MethodDurationCollector collectorSingleton;
  private static MethodArgumentCollector argumentCollectorSingleton;

  private MethodProfilerStaticProxy() {}

  public static void setCollector(MethodDurationCollector collector) {
    collectorSingleton = collector;
  }

  public static void setArgumentCollector(MethodArgumentCollector collector) {
    argumentCollectorSingleton = collector;
  }

  public static void collectMethodDuration(String className, String methodName, long metricValue) {
    if (collectorSingleton == null) {
      return;
    }

    try {
      collectorSingleton.collectLongMetric(className, methodName, "duration", metricValue);
    } catch (Throwable ex) {
      ex.printStackTrace();
    }
  }

  public static void collectMethodArgument(
      String className, String methodName, int argIndex, Object argValue) {
    if (argumentCollectorSingleton == null) {
      return;
    }

    try {
      String argument = "arg." + argIndex + "." + String.valueOf(argValue);
      argumentCollectorSingleton.collectMetric(className, methodName, argument);
    } catch (Throwable ex) {
      ex.printStackTrace();
    }
  }
}
